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JEE 2011
34 questions · instant answers & explanations
Question 1 of 34Score: 0
MathsStatistics
A scientist is weighing each of 30 fishes. Their mean weight worked out is 30 gm and a standard deviation of 2 gm. Later, it was found that the measuring scale was misaligned and always under reported every fish weight by 2 gm. The correct mean and standard deviation (in gm) of fishes are respectively:
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